/* Copyright (C) 2005-2013 Free Software Foundation, Inc.
   Contributed by Richard Henderson <rth@redhat.com>.

   This file is part of the GNU OpenMP Library (libgomp).

   Libgomp is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

/* This file handles the BARRIER construct.  */

#include "libgomp.h"


void
GOMP_barrier (void)
{
  struct gomp_thread *thr = gomp_thread ();
  struct gomp_team *team = thr->ts.team;

#if OMPT_SUPPORT
    if ((ompt_status == ompt_status_track_callback) &&
        ompt_callbacks.ompt_callback(ompt_event_barrier_begin)) {
	int gtid = omp_get_thread_num();
        ompt_callbacks.ompt_callback(ompt_event_barrier_begin)
        (team->ompt_team_info.parallel_id, team->implicit_task[gtid].ompt_task_info.task_id);
    }
    thr->ompt_thread_info.state = ompt_state_wait_barrier;
#endif


  /* It is legal to have orphaned barriers.  */
  if (team == NULL)
    return;

  gomp_team_barrier_wait (&team->barrier);

#if OMPT_SUPPORT
   if ((ompt_status == ompt_status_track_callback) &&
       ompt_callbacks.ompt_callback(ompt_event_barrier_end)) {
       int gtid = omp_get_thread_num();
       ompt_callbacks.ompt_callback(ompt_event_barrier_end)
       (team->ompt_team_info.parallel_id, team->implicit_task[gtid].ompt_task_info.task_id);
   }
     // return to default state
     thr->ompt_thread_info.state = ompt_state_overhead;
 #endif

}
